63 citations · 137 across the 18 of their papers we have counts for
21 papers
Liquid-liquid phase separation precedes crystallization in supercooled water-glycerol solutions
Iason Andronis, Sharon Berkowicz, Mariia Filianina +10
Understanding the structural evolution of supercooled water-glycerol solutions is important for cryopreservation, yet distinguishing liquid-state transformations from ice crystalli…
X-ray photo-induced atomic motion in Phase Change Materials and conventional covalent chalcogenide glasses
Irene Festi, Antoine Cornet, Tomoki Fujita +10
X-ray Photon Correlation Spectroscopy (XPCS) enables direct access to atomic-scale dynamics in disordered materials, revealing both spontaneous and X-ray-induced relaxation process…
X-ray photon correlation spectroscopy of hydrated lysozyme at elevated pressures
Milla Åhlfeldt, Maddalena Bin, Anita Girelli +12
Pressure provides a powerful parameter to control the protein conformation state, which at sufficiently high values can lead to unfolding. Here, we investigate the effects of incre…
Defect migration in supercrystalline nanocomposites
Dmitry Lapkin, Cong Yan, Emre Gürsoy +18
Supercrystalline nanocomposites (SCNCs) are nanostructured hybrid materials with unique emergent functional properties. Given their periodically arranged building blocks, they also…
Three-phase contact line dynamics on moving fibers measured by X-ray holography
Louisa E. Kraft, Jens Lucht, Fiona Berner +9
Wetting of solid surfaces by a liquid is important for many natural and industrial processes such as printing, painting and coating. However, a quantitative description of the dyna…
Linking the pressure dependence of the structure and thermal stability to α- and \b{eta}-relaxations in metallic glasses
Jie Shen, Antoine Cornet, Alberto Ronca +13
Glasses derive their functional properties from complex relaxation dynamics that remain enigmatic under extreme conditions. While the temperature dependence of these relaxation pro…
Dynamic X-ray coherent diffraction analysis: bridging the timescales between imaging and photon correlation spectroscopy
Gerard N. Hinsley, Fabian Westermeister, Bihan Wang +7
The advent of diffraction limited sources and developments in detector technology opens up new possibilities for the study of materials in situ and operando. Coherent X-ray diffrac…
On the interplay of liquid-like and stress-driven dynamics in a metallic glass former observed by temperature scanning XPCS
Maximilian Frey, Nico Neuber, Sascha Sebastian Riegler +16
Modern detector technology and highly brilliant fourth-generation synchrotrons allow to improve the temporal resolution in time-resolved diffraction studies. Profiting from this, w…
High-pressure X-ray photon correlation spectroscopy at fourth-generation synchrotron sources
Antoine Cornet, Alberto Ronca, Jie Shen +8
A new experimental setup combining X-Ray Photon Correlation Spectroscopy (XPCS) in the hard x-ray regime and a high-pressure sample environment is developed to monitor the pressure…
Interplay between atomic fluctuations and charge density waves in LaSrCuO
L. Shen, V. Esposito, N. G. Burdet +10
In the cuprate superconductors, the spatial coherence of the charge density wave (CDW) state grows rapidly below a characteristic temperature , the nature of which…
Coherent X-ray Scattering Reveals Nanoscale Fluctuations in Hydrated Proteins
Maddalena Bin, Mario Reiser, Mariia Filianina +15
Hydrated proteins undergo a transition in the deeply supercooled regime, which is attributed to rapid changes in hydration water and protein structural dynamics. Here, we investiga…
Disentangling structural and kinetic components of the α-relaxation in supercooled metallic liquids
Nico Neuber, Oliver Gross, Maximilian Frey +10
The particle motion associated to the α-relaxation in supercooled liquids is still challenging scientists due to its difficulty to be probed experimentally. By combining synchrotro…
In-situ Characterization of Crystallization and Melting of Soft, Thermoresponsive Microgels by Small-Angle X-ray Scattering
Dmitry Lapkin, Nastasia Mukharamova, Dameli Assalauova +8
Depending on the volume fraction and interparticle interactions, colloidal suspensions can form different phases, ranging from fluids, crystals, and glasses to gels. For soft micro…
Gelation dynamics upon pressure-induced liquid-liquid phase separation in a water-lysozyme solution
M. Moron, A. Al-Masoodi, C. Lovato +9
Employing X-ray photon correlation spectroscopy we measure the kinetics and dynamics of a pressure-induced liquid-liquid phase separation (LLPS) in a water-lysozyme solution. Scatt…
Using low dose X-ray Speckle Visibility Spectroscopy to study dynamics of soft matter samples
Johannes Möller, Mario Reiser, Jörg Hallmann +10
We demonstrate the successful application of X-ray Speckle Visibility Spectroscopy (XSVS) experiments to study the dynamics of radiation sensitive, biological samples with unpreced…
Automated matching of two-time X-ray photon correlation maps from protein dynamics with Cahn-Hilliard type simulations using autoencoder networks
S. Timmermann, V. Starostin, A. Girelli +10
We use machine learning methods for an automated classification of experimental XPCS two-time correlation functions from an arrested liquid-liquid phase separation of a protein sol…
Interplay between Kinetics and Dynamics of Liquid-Liquid Phase Separation in a Protein Solution Revealed by Coherent X-ray Spectroscopy
Anastasia Ragulskaya, Nafisa Begam, Anita Girelli +7
Microscopic dynamics of complex fluids in the early stage of spinodal decomposition (SD) is strongly intertwined with the kinetics of structural evolution, which makes a quantitati…
Nanoscale Rigidity in Cross-Linked Micelle Networks Revealed by XPCS Nanorheology
M. Reiser, J. Hallmann, J. Möller +11
Solutions of wormlike micelles can form cross-linked networks on microscopic length scales. The unique mechanical properties of these complex fluids are driven by the interplay bet…
Wave vector dependence of the dynamics in supercooled metallic liquids
B. Ruta, S. Hechler, N. Neuber +13
We present a detailed investigation of the wave vector dependence of collective atomic motion in Au49Cu26.9Si16.3Ag5.5Pd2.3 and Pd42.5Cu27Ni9.5P21 supercooled liquids close to the…
Direct observation of nanoscale interface phase in the superconducting chalcogenide KFeSe with intrinsic phase separation
A. Ricci, N. Poccia, B. Joseph +13
We have used scanning micro x-ray diffraction to characterize different phases in superconducting KFeSe as a function of temperature, unveiling the thermal evolut…
Performance tests of an AGIPD 0.4 assembly at the beamline P10 of PETRA III
J. Becker, A. Marras, A. Klyuev +3
The Adaptive Gain Integrating Pixel Detector (AGIPD) is a novel detector system, currently under development by a collaboration of DESY, the Paul Scherrer Institute in Switzerland,…